The phrase "go to pot" refers to something that is deteriorating or falling apart. Antonyms for this phrase could include "flourishing," "prospering," "thriving," "blossoming," or "progressing." Other possible antonyms could include "improving," "developing," "growing," "strengthening," or "mending." Additionally, words like "upgrade," "enhance," "restore," "rejuvenate," or "renew" could also be used as antonyms for the phrase "go to pot." These words imply a sense of growth and improvement, as opposed to decline and disintegration. By using these antonyms, we can describe a situation or object that is thriving and improving, rather than deteriorating.